Wagner, Harvey M.. Principles of operations research : with applications to managerial decisions / Harvey M. Wagner. - 2nd ed / . - New Delhi : Prentice Hall of India , 1985. - xiv,1039p. : ills.,fig. ; 23cm . NULL ISBN: 0876921624 Rs. 65.00 Subjects--Index Terms: OPERATION RESEARCH(MANAGEMENT) Dewey Class. No.: 658.4034 / WAG/P